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Income taxes	3 Months Ended
	Mar. 31, 2022
Income taxes
Income taxes	13. Income taxes ​ The Company’s effective tax rate was 16.0% for the three months ended March 31, 2022 compared to 22.0% for the three months ended March 31, 2021. The lower tax rate was due to a higher level of tax-exempt income in the current quarter and a $621 deferred tax adjustment related to prior periods in the quarter ended March 31, 2021. Excluding this adjustment, the effective tax rate would have been 16.9% for the three month period ended March 31, 2021.

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The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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